Merge branch 'pglauner/better-weblinkback'
- pglauner/master-better-weblinkback: WebLinkback: pending linkback notification emails WebLinkback: minor improvement WebLinkback: better documentation WebLinkback: module optional WebLinkback: better global /linkbacks page WebLinkback: better /linkbacks tab display WebLinkback: better URL title display
- Merge note: besides solving conflicts, amended webstyle_templates slightly.
Conflicts:
config/invenio.conf
modules/webhelp/web/admin/howto/howto-run.webdoc
modules/weblinkback/lib/weblinkback_regression_tests.py
Tested-by: Tibor Simko <tibor.simko@cern.ch>